Pcs Linear Guide Rail HGR15-500mm with 4Pcs HGH15CA Square Type Carriage Bearing Block Linear Rail Set Slide Guide Rod Overall Length 19.68 inch for DIY CNC Routers Lathes Mills

["2 PCS HGR15 500 mm Linear Rail+4 PCS HGH15CA Slide Block","Smoothly: Very high load carrying capacity,Smooth running, low noise and non-pollution","Convenient: Easy to assemble and interchangeable, you can replace the slider or the guide rail or even the linear guide group respectively","Low Consumption: No stick-slip effect, heats up less, reduced drive power required","Wide Application: The linear guide rail can be applied to DIY CNC routers lathes and mills.etc economical linear guiding system"]